migration: Update atomic stats out of the mutex

Reviewed-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

diff --git a/migration/multifd.c b/migration/multifd.c
index 01fab01a9298950ff8e2f2d839b143da944d111b..6ef3a27938ae6af5f638bfe1303f1276024b3a15 100644 (file)
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -433,8 +433,8 @@ static int multifd_send_pages(QEMUFile *f)
     transferred = ((uint64_t) pages->num) * p->page_size + p->packet_len;
     qemu_file_acct_rate_limit(f, transferred);
     ram_counters.multifd_bytes += transferred;
-    stat64_add(&ram_counters.transferred, transferred);
     qemu_mutex_unlock(&p->mutex);
+    stat64_add(&ram_counters.transferred, transferred);
     qemu_sem_post(&p->sem);
 
     return 1;
@@ -628,8 +628,8 @@ int multifd_send_sync_main(QEMUFile *f)
         p->pending_job++;
         qemu_file_acct_rate_limit(f, p->packet_len);
         ram_counters.multifd_bytes += p->packet_len;
-        stat64_add(&ram_counters.transferred, p->packet_len);
         qemu_mutex_unlock(&p->mutex);
+        stat64_add(&ram_counters.transferred, p->packet_len);
         qemu_sem_post(&p->sem);
     }
     for (i = 0; i < migrate_multifd_channels(); i++) {